Skate



(No Model.) F. FRANKENBERG & P. OSTENDORFF.

` SKATE. No. 576,106. *Patentledeh 2, 1897.

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UNITED STATES PATENT OFFICE.

FREDERICK ERANKENBER'C AND FREDERICK osTENDoREE, CE PHILA DELPHIA, PENNSYLVANIA.

SKATE.

SPECIFICATION forming part of Lett-ers Patent No. 576,106, dated February 2, 189'?.

Application filed March l1 1396- Serial No. 582,709. (No model.)

To LtZZ whom it may concern: Y Be it known that we, FREDERICK FRANK- ENBERG and FREDERICK OsTENDoREE, citivzens of the United States, residing in the city and county of Philadelphia, State of Pennsylvania, have invented a new anduseful Improvement in Skates, which improvement is fully set forth in the following specification and accompanying drawings.

Our invention consists of improvements in skates, as will be hereinafter described, and pointed out in the claims that follow the speciiication. l l

Figure l represents a plan view of a skate embodying our invention. Fig. 2 represents a bottom plan of a portion thereof. Fig. 3 represents a side elevation thereof. Fig. 4 represents a longitudinal section of the shank of the skate on an enlarged scale. Fig. 5 represents a top view of a portion thereof. Fig. 6 represents a vertical section of a portion on' line a: Fig. 3, on an enlarged scale. Fig. 7 represents a side elevation of a detached portion on an enlarged scale. Fig. 8 represenis a side elevation of one of the boxes for the journals of one of the rollers of the skate.v

F and G designate ratchet-bars whose teethv are adapted to interlock with each other and form the shank of the skate, they being held together by the yoke I-I, wit-hin which said bars are partly placed and made movable.

The bar F is pivotally connected with the clamps C, while the bar G is pivotally connected with the eccentric J, which is freely fitted in an opening in the inner end of the clamps D, said eccentric having connected with it the lever K, whereby by the operation of the latter the clamps may be opened and closed.

In order to prevent the eccentric. J from dropping or falling out of the clamp D, screws J are inserted in the said eccentric so that their heads overlap the joint of the eccentric and clamp.

By means of the bars F and G the distance between the clamps may be adjusted rela tively to different sizes of feet.

In order to hold said bars in locked position, we employ the lever L, which is mounted on the upper portion of the yoke H and has an eccentric head M, which is adapted to bear against the bar F and force it against the bar G, as most-plainly shown in Fig. 4, the contact-face of said eccentric head being wedged against said bar when the lever is lowered.

The bar F has a vertical longitudinallyextending slot N therein, and the head M,- which is wider than said slot, has a forwardlyprojecting pin P thereon, the same, when the lever L israised, being adapted to enter the slot N and bear against the bar G, the head retaining its position, as its axis is out of Center, and force the latter slightly from the bar F when the bars' are to be unlocked, and thus overcome any friction or sticking of the teeth of said bars, the latter then being movable to effect the adjustment. Vhen, however, the lever L is lowered, its head forces the bars together and interlocks and controls the same. In the plates A and B are slots Q, each of which has awide and narrow portion', the wide portions allowing the heads R of the screw S to pass through the same, while the narrow portions receive the necks T of said screws, the latter rising from screw-threaded sockets on the stringer U of the rollers V or from the runner W, and are vertically adjustable in said sockets, said necks entering the narrow portions of the slots Q by moving the plates A and B forward or by moving the Stringer V or runner YV' rearward, after which the nuts X on the screws S are rotated upwardly, whereby they tighten against the plates A and B and clamp the heads R thereto, thus firmly connecting the said plates and Stringer or runner.

IOO

The journals of the rollers V enter the boxes Y, which are connected by the screws Z with the sides of the stringer U, the latter being vertically grooved to receive said rollers, said sides having vertical slots therein to receive the necks Z of said boxes, thus irmly retaining the boxes, and consequently the rollers, in position, while closing and guarding the ends of the journals of the rollers and providing oil-cups therefor.

When the nuts are unscrewed, the heads R are released and the plates and stringer or runner disconnected by properly moving either part.

Having thus described our invention, what We claim as new, and desire to secure by Letters Patent, is-

l. A skate having front and rear foot-plates, foot clamps connected with said plates, ratchet-bars adjustable on each other and pivotally attached to said clamps, and means for clamping said bars together, one of said bars having its connection with the clamps eccentrically mounted thereon, said parts being combined substantially as described.

2. A skate having front and rear foot-plates, pivoted front and rear foot-clamps, connected with said foot-plates, a ratchet-bar pivotally connected at one end to said front clamps, a ratchet-bar having an end pivotally connected with an eccentric mounted on the rear clamps and adapted to open or close the sam e, a yoke with cam -lever for clamping said ratchet-bars together, said .parts being combined substantially as described.

3. In a skate, front and rear foot-clamps, ratchet-bars connected With said clamps, a yoke embracing said bars, alever with a camhead pivoted on said yoke', one of said bars having a longitudinal slot therein, and a pin on said cam-head adapted to move in said slot, bearing against the other bar, said head being Wider than said slot said parts being combined, substantially as described.

4. A skate having a foot-rest provided with a slot of different Widths therein,and a strin ger or runner having a threaded socket rising therefrom, a vertically-adj ustable screw iitted in said socket and having a head and neck, said head being above the foot-plate, and said neck entering said slot and a clamping-nut which is iitted on the screw below the foot-plate, said parts being combined, substantially as described.

5. In a skate, a Stringer having a vertical groove therein, with vertical slots in the side Walls thereof, journal-boxes, having necks in said slots and Wheels in said grooves with journals on said boxes, said parts bein g combined substantially as described.

FREDERICK FRANKENBERG. FREDERICK OSTEND'ORFF.

Vitnesses:

JOHN A. WIEDERsHEIM, R. H. GRAESER. 

